Classification
140 - Specific philosophical schools
200 - Religion
301 - Sociology & anthropology
320 - Political science
700 - The arts; fine & decorative arts
4
900 - History & geography
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
600 - Technology
2
170 - Ethics
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
398 - Folklore
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
581 - Specific topics in natural history
1
780 - Music
1
800 - Literature & rhetoric
1